Helmet-shaped sink



FIG. 1 is a bird's eye perspective view of the ornamental design for a helmet-shaped sink.

FIG. 2 is a top plan view of the ornamental design for a helmet-shaped sink.

FIG. 3 is a rear elevation view of the ornamental design for a helmet-shaped sink.

FIG. 4 is a front elevation view of the ornamental design for a helmet-shaped sink.

FIG. 5 is a right side elevation view of the ornamental design for a helmet-shaped sink.

FIG. 6 is a left side elevation view of the ornamental design for a helmet-shaped sink; and,

FIG. 7 is a bottom plan view of the ornamental design for a helmet-shaped sink.

The broken lines shown in FIGS. 1-6 are included for the purpose of illustrating a portion of the sink that forms no part of the claimed design. 

I claim the design of an ornamental helmet-shaped sink, as depicted in the attached drawings. 